1. Continental crust is less dense, or lighter, than Oceanic crust so it doesn't sink. It is never destroyed and is permanent.
2. Oceanic crust is heavier so it can sink below Continental crust. It is constantly being formed and destroyed at ocean ridges and trenches.
3. Continental crust can carry on beyond the edges of the land and finally end far below the sea. This explains why the edges of all the continents don't have deep trenches right up against their Coastlines.
4. Plates can never overlap. This means that they must either collide and both be pushed up to form mountains, or one of the plates must be pushed down into the mantle and be destroyed.
5. There can never be gaps between plates, so if two plates move apart, as in the middle of the Atlantic, new rock will be formed to fill the space.
6. We know the Earth isn't getting bigger or smaller, so the amount of new crust being formed must be the same as the amount being destroyed.
Yes, the singular form is normally plate tectonic or tectonic plate so the plural would be plate tectonics or tectonic plates. Dumb crap.
Creationist theory and plate tectonics do not disagree in any way.
Plate tectonics are what each continent is on. They move and are continuing to move today. It has to do with the earth's shape because the plate tectonics move the continents around.
A theory that says the lithosphere is divided into plates that move around on top of the asthenosphere is called '' plate tectonics''
Plate tectonics
Plate tectonics
Volcanoes don't help plate tectonics; volcanoes are the result of plate tectonics.
plate tectonics
yes it represets plate tectonics
instruments used in plate tectonics?
Yes, the singular form is normally plate tectonic or tectonic plate so the plural would be plate tectonics or tectonic plates. Dumb crap.
how are volcanoes and the process of plate tectonics related
the branch of geology for plate tectonics is asthenosphere.
But plate tectonics is the theory which suggests that the Earth's crust is made up of solid plates moving relative to each other. Plate tectonics and the plate tectonics theory aren't really two separate things. However plates are pieces of the Earth's crust which are moving.
Question is too broad. How do they help what? Are you asking how plate tectonics WORK?
continental drift is caused by plate tectonics
Creationist theory and plate tectonics do not disagree in any way.